Planaria

英式音标Planaria怎么读

美式音标Planaria怎么读

Planaria词义

折叠展开

n. 真涡虫;[无脊椎] 涡虫(等于Turbellaria)


Planaria英文词源

折叠展开

Planaria (n.)
flat worm-like animal, 1819, from Modern Latin (1776) noun use of fem. of Latin planarius, literally "on level ground" (here used to mean "flat"), from planum, planus "flat, level, even, plain" (see plane (n.1)). Related: Planarian.